Hitachi 728526 3/8 by 15/16-Inch Deep Length Drive Measures 15/16-inches wide by 2-1/2-inches long Constructed of alloy steel which allows up to 20-percent more torque to be applied Thin wall design increases access to tight areas Works in nearly all drills, impact drivers and wrenches Comes with a 30-day limited warranty Well-built with a high quality design Overall drilling depth of 2-1/2-Inch 3/8-Inch square female drive will not slip or break Type 2-shape is perfect for driving projects and has a 15/16-Inch diameter Comes with a 30-day limited warranty